材质 
M1.6
0.35
3.2
3.04
1.5
1.1
3.7
M2
0.4
4
3.84
1.8
1.4
4.6
M2.5
0.45
5
4.84
2.2
1.8
5.8
M3
0.5
5.5
5.34
2.6
2.2
6.3
M4
0.7
7
6.8
3.44
2.96
8.1
M5
0.8
8
7.8
4.24
3.76
9.2
M6
1
10
9.8
5.24
4.76
11.5
M8
1.25
14
13.76
6.24
5.76
16.2
M10
1.5
17
16.76
8.29
7.71
19.6
M12
1.75
19
18.72
10.29
9.71
21.9
M14
2
22
21.72
11.35
10.65
25.4
M16
2
24
23.72
13.35
12.65
27.7
M18
2.5
27
26.72
14.35
13.65
31.2
M20
2.5
30
29.66
16.35
15.65
34.6
M22
2.5
32
31.66
18.35
17.65
36.9
M24
3
36
35.66
19.5
18.5
41.6
M27
3
41
40.66
22.5
21.5
47.3
M30
3.5
46
45.6
24.5
23.5
53.1
M36
4
55
54.6
28.5
27.5
63.5
M42
4.5
65
64.6
32.5
31.5
75
M48
5
75
74.6
38.5
37.5
86.5